(19)
(11) EP 4 234 041 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.09.2023 Bulletin 2023/38

(43) Date of publication A2:
30.08.2023 Bulletin 2023/35

(21) Application number: 23169907.5

(22) Date of filing: 22.04.2021
(51) International Patent Classification (IPC): 
A61K 8/34(2006.01)
A61K 8/27(2006.01)
A61K 8/19(2006.01)
A61K 8/42(2006.01)
A61K 8/36(2006.01)
A61K 8/365(2006.01)
A61Q 19/00(2006.01)
 A61K 8/37(2006.01)
A61K 8/23(2006.01)
A61K 8/41(2006.01)
A61K 8/49(2006.01)
A61K 8/362(2006.01)
A61K 8/44(2006.01)
(52) Cooperative Patent Classification (CPC):
A61K 8/347; A61K 8/345; A61K 8/34; A61K 8/375; A61K 8/27; A61K 8/23; A61K 8/19; A61K 8/416; A61K 8/41; A61K 8/42; A61K 8/4906; A61K 8/361; A61K 8/362; A61K 8/365; A61K 8/44; A61Q 19/00; A61K 2800/524; Y02A 40/90
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 23.04.2020 EP 20171210

(62) Application number of the earlier application in accordance with Art. 76 EPC:
21720285.2 / 4120993

(71) Applicant: Arch UK Biocides Limited
West Yorkshire WF10 2JT (GB)

(72) Inventors:
  • CLARKE, James
    Castleford, West Yorkshire, WF10 2JT (GB)
  • REAY, Louise
    Castleford, West Yorkshire, WF10 2JT (GB)
  • THOMAS, Samantha Jane
    Castleford, West Yorkshire, WF10 2JT (GB)
  • ROEBUCK, Philip Lewis
    Castleford, West Yorkshire, WF10 2JT (GB)
  • CAMPBELL, Jake
    Castleford, West Yorkshire, WF10 2JT (GB)
  • SHAW, Neil Scott
    Castleford, West Yorkshire, WF10 2JT (GB)

(74) Representative: Greiner, Elisabeth 
df-mp Dörries Frank-Molnia & Pohlman Patentanwälte Rechtsanwälte PartG mbB Theatinerstraße 16
80333 München
80333 München (DE)

   


(54) SYNERGISTIC PRESERVATIVE/PERSONAL CARE COMPOSITION CONTAINING AN ALKYLENE GLYCOL ESTER


(57) Provided herein are preservative compositions containing a preservative agent with an alkylene glycol ester. Also provided are method for increasing the efficacy of preservative agents and methods for reducing the minimum amount of preservative agent needed for effective preservation activity in end-use formulations.





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